--- servers: hosts: ubuntu: ansible_host: "{{ lookup('env', 'DEPLOY_HOST') }}" ansible_port: "{{ lookup('env', 'DEPLOY_PORT') }}" ansible_user: "{{ lookup('env', 'DEPLOY_USERNAME') }}" ansible_ssh_private_key_file: "{{ lookup('env', 'KEY_FILE') }}" ansible_python_interpreter: auto_silent ansible_ssh_common_args: -o StrictHostKeyChecking=no